Text Processing

Text NLP Annotation Workbench

Run explainable local tokenization, sentence splitting, stopword, lemma, stem, entity and n-gram annotation with JSONL or CoNLL export.

json· JSON resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'https://api.elysiatools.com/en/api/tools/text-nlp-annotation-workbench' \
  -H 'Content-Type: application/json' \
  -d '{"textInput":"The quick fox emailed [email protected].","language":"en","outputFormat":"json","removeStopwords":true,"stemming":true,"lemmatize":true,"entityDetection":true,"ngramSize":2}'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP

POST https://api.elysiatools.com/en/api/tools/text-nlp-annotation-workbench

Parameters

Name	Type	Required	Description
textInput	textarea	Yes	—
language	select	No	—
outputFormat	select	No	—
removeStopwords	checkbox	No	—
stemming	checkbox	No	—
lemmatize

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json

{
  "mcpServers": {
    "elysiatools-text-nlp-annotation-workbench": {
      "name": "text-nlp-annotation-workbench",
      "description": "Run explainable local tokenization, sentence splitting, stopword, lemma, stem, entity and n-gram annotation with JSONL or CoNLL export.",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=text-nlp-annotation-workbench",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "text-nlp-annotation-workbench",
    "arguments": {
  "textInput": "The quick fox emailed [email protected].",
  "language": "en",
  "outputFormat": "json",
  "removeStopwords": true,
  "stemming": true,
  "lemmatize": true,
  "entityDetection": true,
  "ngramSize": 2
}
  }
}

Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

Questions or issues? Contact [email protected]

Browse tools Open tool